<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script type="text/javascript">
		arr = [67,67,43,7,4,3];

		arr1 = [6573,8,3,7,3];

		// console.log(arr);

		// newArr = arr.concat(arr1);

		// alert(newArr);

		// arr.push(90,100,289,232);
		// arr.unshift(90);
		// arr.pop();
		// arr.shift();
		// 
		// arr.splice(1,4);
		// res  = arr.slice(-3, -1);
		
		// str = arr.join('');

		// alert(str);
		

		arr = [1,56,23,6,6,87,9,5,9];

		function abc (newarr) {
			

		}

		res = abc(arr);



	</script>
</head>
<body>
	
</body>
</html>